White light emitting phosphor and light emitting module...

Details White light emitting phosphor and light emitting module... White light emitting phosphor and light emitting module...

2007-07-03

2009-11-17

Koslow, C. Melissa (Department: 1793)

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

C313S503000, C257S098000

Reexamination Certificate

active

07618557

ABSTRACT:
This invention provides a phosphor capable of emitting a white light by itself and a light emitting module using the phosphor. A white light emitting phosphor is represented by the following formula, and it is preferable that an excitation peak wavelength may be in a range of 350 to 420 nm: Ba4−x−y−zMgxSi2O8: Euy, Mnz(0.7≦x<1, 0<y and 0<z). The white light emitting phosphor can constitute the light emitting module with a semiconductor light emitting device having an emission peak wavelength from 350 to 420 nm.

REFERENCES:
patent: 7026755 (2006-04-01), Setlur et al.
patent: 7536834 (2009-05-01), Blanc et al.
patent: 2927279 (1999-05-01), None
patent: 2003-206482 (2003-07-01), None

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